petraeus was head of the cia when u.s. ambassador chris stevens and three other americans were killed. and he did visit libya afterwards. his testimony, though, will be limited to the events in benghazi only. >>> and one more note from washington this morning. the president travels to new york later today to view firsthand the aftermath of hurricane sandy. thousands of customers are still without power more than two weeks later. >> our hearts go out to them. >>> and the president is keeping a watchful eye on the growing tension and violence in the middle east. israeli forces killed the top hamas leader yesterday in this attack. and they are bounding gaza again today. >> abc's alex marquardt is live in jerusalem with the breaking developments. alex? >> reporter: good morning, rob and paula. that's right. the israeli air strikes in the retaliatory palestinian rocket attacks have continued overnight into this morning. israel says it has carried out over 100 attacks on targets in the gaza strip. not just on individuals, like a